1us4
2us4t
3us4tu
4us4
5us4t
qlt4t
rlt4tu
slt4
tlt4t
ult4tu
fcu4tu
gcu4
hcu4t
icu4tu
jcu4
42u4
52u4t
62u4tu
72u4
82u4t
ttv4t
utv4tu
vtv4
wtv4t
xtv4tu